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Finding the Fourth Proportional to 369,263.49, 553,954.25 and 156,033.42

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Solution

The fourth proportional to 369,263.49, 553,954.25 and 156,033.42 is: 234,075.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,263.49 : 553,954.25 = 156,033.42 : x
  2. Step 2: Convert to fraction form
    369,263.49/553,954.25 = 156,033.42/x
  3. Step 3: Cross multiply
    369,263.49x = 553,954.25 × 156,033.42
  4. Step 4: Simplify right side
    369,263.49x = 86,435,376,151.04
  5. Step 5: Solve for x
    x = 86,435,376,151.04/369,263.49
  6. Step 6: Final answer
    x = 234,075.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.